An account earns simple interest.
2 answers:
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Solve the equation
So we have:
Factor, 2 numbers of which the sum is -13 and multiplying gives 36, these two are -4 and -9
So solve:
The solutions:
4 and 9
So we have:
Factor, 2 numbers of which the sum is -13 and multiplying gives 36, these two are -4 and -9
So solve:
The solutions:
4 and 9
Answer:
Step-by-step explanation:
An arithmetic sequence that is described by the explicit formula ...
can also be described by the recursive formula ...
Matching parts of the formulas, we see that a1 = 4, d = -7. Putting these values into the explicit formula gives ...